Double corner trowel



FIG. 1 is a top, front, left perspective view of a double corner trowel showing my new design;

FIG. 2 is a bottom, rear, right perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a front elevation view thereof;

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is a left side elevation view thereof.

The broken lines depict aspects of the double corner trowel in which the design is embodied that form no part of the claimed design. 

CLAIM The ornamental design for a double corner trowel, as shown and described. 